diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index bfb5caa1ce4..45c740fff01
--- a/pom.xml
+++ b/pom.xml
@@ -82,7 +82,7 @@
         </sonar.exclusions>
         <elasticsearch.version>5.0.2</elasticsearch.version>
         <delight-nashorn-sandbox.version>0.1.14</delight-nashorn-sandbox.version>
-        <kafka.version>2.0.0</kafka.version>
+        <kafka.version>2.5.0</kafka.version>
         <bucket4j.version>4.1.1</bucket4j.version>
     </properties>